HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$443+ Cheap flights from Gatwick (LGW) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SEA
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Gatwick to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Gatwick to Washington

Cheapest flights from Gatwick to Washington
Explore the most affordable flight options available from Gatwick to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.

This ResecentrumGruppen deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:55 am
LGW
-
SEA
1 stop13h 05m
Icelandair
Tue 3/243:35 pm
SEA
-
LGW
1 stop12h 20m
Icelandair
Deal found 2/5$489
This Trip.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:40 pm
LGW
-
SEA
1 stop13h 00m
Icelandair
Tue 4/213:40 pm
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 2/4$527
This Booking.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:40 pm
LGW
-
SEA
1 stop13h 00m
Icelandair
Tue 9/87:00 pm
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 2/4$529
This Expedia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:55 am
LGW
-
SEA
1 stop13h 05m
Icelandair
Wed 3/42:35 pm
SEA
-
LGW
1 stop12h 20m
Icelandair
Deal found 2/3$530
This Mytrip deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:40 pm
LGW
-
SEA
1 stop13h 00m
Icelandair
Sun 5/247:00 pm
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 2/5$532
This FlightHub deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:40 pm
LGW
-
SEA
1 stop13h 00m
Icelandair
Fri 6/53:40 pm
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 2/5$533
This FlightHub deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:40 pm
LGW
-
SEA
1 stop34h 15m
Icelandair
Sun 5/313:40 pm
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 2/4$534
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:40 pm
LGW
-
SEA
1 stop13h 00m
Icelandair
Mon 4/207:00 pm
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 2/6$536
This Booking.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:55 am
LGW
-
SEA
1 stop13h 05m
Icelandair
Tue 3/32:35 pm
SEA
-
LGW
1 stop12h 20m
Icelandair
Deal found 2/3$537
This Booking.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:55 am
LGW
-
SEA
1 stop13h 05m
Icelandair
Thu 3/52:35 pm
SEA
-
LGW
1 stop12h 20m
Icelandair
Deal found 2/3$541
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:55 am
LGW
-
SEA
1 stop13h 05m
Icelandair
Thu 3/263:35 pm
SEA
-
LGW
1 stop12h 20m
Icelandair
Deal found 2/6$542
This Trip.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:40 pm
LGW
-
GEG
2 stops16h 38m
Multiple Airlines
Fri 9/1811:44 am
GEG
-
LGW
2 stops18h 56m
Multiple Airlines
Deal found 2/4$672

Find flight deals from Gatwick to Washington

Keep the following information in mind while searching for Gatwick to Washington flight deals. Data was last updated February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$489
(ResecentrumGruppen)

One-way from

$443
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$616
Provider with most accurate pricing for London (LON)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Seattle/Tacoma Intl flights.
Search Deals
From London Gatwick to Washington
Search Deals
One-way flight from London Gatwick to Washington
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gatwick to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 6, 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Washington that are best for you.

Fly from

Gatwick

Fly to

Washington

Route

Depart

Return

Price

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 4/9

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Mon 4/20

3:40 pm-2:40 pm

1 stop15h 00m

$536

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 4/8

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Sat 5/9

7:00 pm-2:40 pm

1 stop11h 40m

$548

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 4/8

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Fri 5/8

7:00 pm-2:40 pm

1 stop11h 40m

$548

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 5/4

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Fri 5/8

7:00 pm-2:40 pm

1 stop11h 40m

$578

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 2/24

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Tue 3/3

2:35 pm-10:55 am

1 stop12h 20m

$585

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 3/17

11:55 am-6:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Mon 3/23

3:35 pm-10:55 am

1 stop12h 20m

$607

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 4/5

3:40 pm-5:55 pm

1 stop34h 15m

Seattle/Tacoma Intl

Mon 5/4

3:40 pm-2:40 pm

1 stop15h 00m

$639

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 4/5

3:40 pm-5:55 pm

1 stop34h 15m

Seattle/Tacoma Intl

Thu 5/7

3:40 pm-2:40 pm

1 stop15h 00m

$639

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 6/25

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Fri 7/17

7:00 pm-2:40 pm

1 stop11h 40m

$663

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 6/23

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Sat 7/18

11:25 pm-2:40 pm

1 stop31h 15m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Showing 1-10 of 54 results
1
2
3
...
6

Best time to book a flight from Gatwick to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Gatwick with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Washington

What is the cheapest month to book a flight from London Gatwick Airport to State of Washington?

Currently, March is the cheapest month in which you can book a flight from London Gatwick Airport to State of Washington (average of $407). Flying from London Gatwick Airport to State of Washington in August is currently the most expensive (average of $752). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated February 6, 2026.
Read reviews from past customers who have flown Icelandair from London Gatwick Airport to Washington. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.1
Good
606 reviews

Food

6.2

Entertainment

7.0

Comfort

7.0

Overall

7.1

Crew

8.1

Boarding

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
Icelandair
7.1
Good
606 reviews
Icelandair
7.1
Good
606 reviews

Food

6.2

Entertainment

7.0

Comfort

7.0

Overall

7.1

Crew

8.1

Boarding

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Gatwick Airport to State of Washington?

    There are many flights that can get you from London Gatwick Airport to State of Washington in 13h. Fly via Icelandair to get the fastest option. London Gatwick Airport and State of Washington are separated by a distance of 4807 mi.

  • What are the most popular routes from London Gatwick Airport to State of Washington?

    While some choose either London Gatwick - Portland or London Gatwick - Spokane, London Gatwick - Seattle/Tacoma Intl is the most popular route from London Gatwick Airport to State of Washington.

  • Can I find deals for flights from Gatwick to Washington that include hotel bookings?

    Yes. In addition to deals on Gatwick to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Washington.

  • Can I find deals for business class flights from Gatwick to Washington?

    Yes. Cheapflights offers flight deals from Gatwick to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Gatwick Airport to State of Washington?

    Currently, March is the cheapest month in which you can book a flight from London Gatwick Airport to State of Washington (average of $407). Flying from London Gatwick Airport to State of Washington in August is currently the most expensive (average of $752). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Gatwick to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Heathrow to Orlando flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Gatwick to Orlando flights
Heathrow to Los Angeles flights
Stansted to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Heathrow to Miami flights
Luton to John F Kennedy Intl flights
Heathrow to Boston flights
London City to Newark flights
Stansted to Newark flights
Luton to Newark flights
Heathrow to San Francisco flights
Stansted to Orlando flights
Heathrow to Las Vegas flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Seattle flights
Gatwick to Los Angeles flights
Heathrow to Dulles Intl flights
Heathrow to O'Hare Intl flights
Gatwick to Boston flights
Heathrow to Hobby flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Heathrow to Atlanta flights
Heathrow to Baltimore flights
Gatwick to Miami flights
Heathrow to George Bush Intcntl flights
Heathrow to Ontario flights
Heathrow to Tampa flights
Stansted to Miami flights
Heathrow to Denver flights
London City to Miami flights
London City to Boston flights
Luton to Orlando flights
Luton to Miami flights
Luton to Los Angeles flights
Gatwick to San Francisco flights
Stansted to Boston flights
Gatwick to Seattle flights
Gatwick to Dallas/Fort Worth flights
Gatwick to Las Vegas flights
London City to San Francisco flights

Top airline flying from Gatwick to Washington

Discover the top airline that operate flights from Gatwick to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$501Average$907FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.